Denture retainer implant



FIG. 1 is a perspective view of a denture retainer implant showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof, the opposite side being a mirror image of the front;

FIG. 4 is a right end elevation thereof, the opposite end being a mirror image of the right end; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a denture retainer implant, as shown and described. 